Water Sensing Electrode Circuit
AssigneeAquatic Safety Concepts, LLC
InventorsDavid M. Cutler, Vincent Berluti, JR., Thomas F. Healy, Jeffrey William Londona, James Alphonse Marquis, Mark Henry Méndez
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Abstract
A water sensing electrode circuit comprises a voltage source; first electrode; second electrode; first resistor; second resistor; and an inverting comparator with an internal reference voltage, Vc; wherein: said voltage source, first electrode, second electrode, first resistor and second resistor are connected in series; and the negative input of said voltage comparator is attached to the junction of said first and second resistor.
Claims3
A system for sensing water immersion and removal, said system comprising a water sensing electrode circuit, said water sensing electrode circuit comprising:
- a. a voltage source;
- b. a first electrode;
- c. a second electrode;
- d. a first resistor;
- e. a second resistor;
- and
- f. an inverting comparator with an internal reference voltage, Vc;
- wherein:
- g. said voltage source, first electrode, second electrode, first resistor and second resistor are connected in series;
- and
- h. the negative input of said voltage comparator is attached to the junction of said first and second resistor.
Dependencies are inferred from the claim text.